Lessons from the Genetics of Colon Cancer
- 1 January 1990
- journal article
- Published by Taylor & Francis Ltd in Scandinavian Journal of Gastroenterology
- Vol. 25 (sup175), 166-176
- https://doi.org/10.3109/00365529009093140
Abstract
Remarkable advances in the understanding of specific inherited and acquired genetic events that are important in colonic carcinogenesis have occurred in the last several years. Studies of the population genetics of colon cancer have determined that the gene responsible for familial adenomatous polyposis (FAP), and Gardner's syndrome has been localized on the long arm of chromosome 5 and have more clearly defined the importance of genetic influences in ‘sporadic’ colon cancer. Studies of the molecular genetics of colon cancer have identified acquired alterations in oncogenes such as the K-ras gene and in putative tumor suppressor genes such as the FAP gene on chromosome 5, the p53 gene on chromosome 17, and the DCC gene on chromosome 18, which appear to mediate important steps ir the adenoma-dysplasia-carcinoma sequence. Some of these research advances (FAP gene carriage) are already being used clinically to identify individuals at risk for colon cancer, and they offer great promise for the future of both prevention and therapeutic programs.Keywords
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